Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Stinson Beach, Marin County, California, USAi
Regional Level Types
Stinson BeachCensus-designated Place
Marin CountyCounty
CaliforniaState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
37° 53' 59'' North , 122° 38' 30'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Stinson Beach632 (2011)0.2km
Bolinas1,620 (2011)4.1km
Muir Beach310 (2011)6.8km
Mill Valley14,394 (2017)8.5km
Tamalpais Valley7,000 (2013)8.7km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
San Francisco Gem and Mineral Society, Inc.San Francisco, California24km
Northern California Geological SocietyOrinda, California41km
Vallejo Gem & Mineral SocietyVallejo, California41km
Mindat Locality ID:
28451
Long-form identifier:
mindat:1:2:28451:7
GUID (UUID V4):
0


A census-designated place and beach area located on the eastern shore of Bolinas Bay.

There is an occurrence located in the hills around Stinson Beach.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

9 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Axinite-(Fe)
Formula: Ca2Fe2+Al2BSi4O15OH
Description: Occurs as crystals associated with prehnite. Exact locality is the intersection of Panorama Highway with state route 1.
Calcite
Formula: CaCO3
Chalcopyrite
Formula: CuFeS2
Galena
Formula: PbS
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Szaibélyite
Formula: MgBO2(OH)
Description: Occurs as impregnations in, and coatings on, serpentine.
Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 6 - Borates
Szaibélyite6.BA.15MgBO2(OH)
Group 9 - Silicates
Axinite-(Fe)9.BD.20Ca2Fe2+Al2BSi4O15OH
Tremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Unclassified
'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
H Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
H PrehniteCa2Al2Si3O10(OH)2
H SzaibélyiteMgBO2(OH)
H Tremolite◻Ca2Mg5(Si8O22)(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4
BBoron
B Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
B SzaibélyiteMgBO2(OH)
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
O PrehniteCa2Al2Si3O10(OH)2
O QuartzSiO2
O SzaibélyiteMgBO2(OH)
O Tremolite◻Ca2Mg5(Si8O22)(OH)2
O Serpentine SubgroupD3[Si2O5](OH)4
MgMagnesium
Mg SzaibélyiteMgBO2(OH)
Mg Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Al Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Al PrehniteCa2Al2Si3O10(OH)2
SiSilicon
Si Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Si PrehniteCa2Al2Si3O10(OH)2
Si QuartzSiO2
Si Tremolite◻Ca2Mg5(Si8O22)(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
S ChalcopyriteCuFeS2
S GalenaPbS
S PyriteFeS2
CaCalcium
Ca CalciteCaCO3
Ca Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Ca PrehniteCa2Al2Si3O10(OH)2
Ca Tremolite◻Ca2Mg5(Si8O22)(OH)2
FeIron
Fe ChalcopyriteCuFeS2
Fe Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Fe PyriteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
PbLead
Pb GalenaPbS

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Stinson_Beach,_California
Wikidata ID:Q594225

Localities in this Region

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 4, 2026 05:49:37 Page updated: August 12, 2025 00:30:04
Go to top of page